Input/Output Modules 111
Chapter 3 System Description
Model 3451 Solid-State Relay Output Module Specifications
Feature Specification
Points 32, commoned in pairs
Nominal input voltage ± 24 V
Operational voltage range ± 30 V
Maximum switching voltage ± 33 V peak
Maximum switching power 15 W resistive
Maximum off-state leakage <100 µA
Maximum nominal current 0.5 A per channel
Maximum over current 0.7 A per channel
Voltage drop at baseplate <0.25 V @ 0.5 A
Fuses, mounted on baseplate 1 per output, 0.75 A, fast-acting
Functional-to-protective-earth
isolation
500 V DC, minimum
Functional-to-functional-earth (logic)
isolation
800 V DC, minimum
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